package cn.tanglong.controller;

import cn.tanglong.domain.User;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.ribbon.proxy.annotation.Hystrix;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
public class OrderController {

    @Autowired
    private RestTemplate restTemplate;

    @HystrixCommand(fallbackMethod = "getByIdFallback")
    @RequestMapping("/getById/{id}")
    public User getById(@PathVariable("id") Long id){
        String url = "http://SERVICE-USER/getById/" + id;
        User user = restTemplate.getForObject(url, User.class);
        System.out.println("拿到的user : " + user.getUsername());
        return user;
    }

    // 降级操作c x
    public User getByIdFallback(@PathVariable("id") Long id){
        return new User(-1L, "", "出现异常！");
    }

}
